-env.use_south = True
-
-# Servers
-def giewont():
- env.hosts = ['giewont.icm.edu.pl']
- env.user = 'lektury'
- env.path = '/srv/turniej.wolnelektury.pl'
- env.virtualenv = '/usr/bin/virtualenv'
- # This goes to VHost configuration
- env.server_name = 'turniej.wolnelektury.pl'
- env.server_admin = 'Radoslaw Czajka <radoslaw.czajka@nowoczesnapolska.org.pl>'
- # /var/log/apache2/* logs
- env.access_log = 'turniej.log'
- env.error_log = 'turniej-errors.log'
-
-
-servers = [giewont]
-
-# =========
-# = Tasks =
-# =========
-def test():
- "Run the test suite and bail out if it fails"
- require('hosts', 'path', provided_by=servers)
- require('python', provided_by=[find_python])
- result = run('cd %(path)s/%(project_name)s; %(python)s manage.py test' % env)
-
-def setup():
- """
- Setup a fresh virtualenv as well as a few useful directories, then run
- a full deployment. virtualenv with pip should be already installed.
- """
- require('hosts', 'path', 'virtualenv', provided_by=servers)
-
- run('mkdir -p %(path)s; cd %(path)s; %(virtualenv)s ve;' % env, pty=True)
- run('cd %(path)s; mkdir releases; mkdir packages;' % env, pty=True)
- run('cd %(path)s/releases; ln -s . current; ln -s . previous' % env, pty=True)
- upload_default_localsettings()
- deploy()
-
-def deploy():
- """
- Deploy the latest version of the site to the servers,
- install any required third party modules,
- install the virtual host and then restart the webserver
- """
-
- import time
- env.release = time.strftime('%Y-%m-%dT%H%M')
-
- upload_tar_from_git()
- find_python()
- upload_wsgi_script()
- upload_vhost_sample()
- install_requirements()
- copy_localsettings()
- symlink_current_release()
- collectstatic()
- migrate()
- restart_webserver()
-
-def deploy_version(version):
- "Specify a specific version to be made live"
- require('hosts', 'path', provided_by=servers)
- env.version = version
- with cd(env.path):
- run('rm releases/previous; mv releases/current releases/previous;', pty=True)
- run('ln -s %(version)s releases/current' % env, pty=True)
- restart_webserver()
-
-def rollback():
- """
- Limited rollback capability. Simple loads the previously current
- version of the code. Rolling back again will swap between the two.
- """
- require('hosts', 'path', provided_by=servers)
- with cd(env.path):
- run('mv releases/current releases/_previous;', pty=True)
- run('mv releases/previous releases/current;', pty=True)
- run('mv releases/_previous releases/previous;', pty=True)
- restart_webserver()
-
-
-# =====================================================================
-# = Helpers. These are called by other functions rather than directly =
-# =====================================================================
-def upload_tar_from_git():
- "Create an archive from the current Git branch and upload it"
- print '>>> upload tar from git'
- require('path', provided_by=servers)
- require('release', provided_by=[deploy])
- local('/bin/bash lib/git-archive-all.sh --format tar %(release)s.tar' % env)
- local('gzip %(release)s.tar' % env)
- run('mkdir -p %(path)s/releases/%(release)s' % env, pty=True)
- run('mkdir -p %(path)s/packages' % env, pty=True)
- put('%(release)s.tar.gz' % env, '%(path)s/packages/' % env)
- run('cd %(path)s/releases/%(release)s && tar zxf ../../packages/%(release)s.tar.gz' % env, pty=True)
- local('rm %(release)s.tar.gz' % env)
-
-def find_python():
- "Finds where virtualenv Python stuff is"
- print ">>> find Python paths"
- require('path', provided_by=servers)
- env.python = '%(path)s/ve/bin/python' % env
- env.pip = '%(path)s/ve/bin/pip' % env
- env.site_packages = run('%(python)s -c "from distutils.sysconfig import get_python_lib; print get_python_lib()"' % env)
-
-def upload_vhost_sample():
- "Create and upload Apache virtual host configuration sample"
- print ">>> upload vhost sample"
- require('path', 'project_name', 'user', provided_by=servers)
- require('access_log', 'error_log', 'server_admin', 'server_name', provided_by=servers)
- require('site_packages', provided_by=[find_python])
- files.upload_template('%(project_name)s.vhost.template' % env, '%(path)s/%(project_name)s.vhost' % env, context=env)
-
-def upload_wsgi_script():
- "Create and upload a wsgi script sample"
- print ">>> upload wsgi script sample"
- require('path', 'project_name', provided_by=servers)
- require('python', 'site_packages', provided_by=[find_python])
- files.upload_template('%(project_name)s.wsgi.template' % env, '%(path)s/%(project_name)s.wsgi' % env, context=env)
- run('chmod ug+x %(path)s/%(project_name)s.wsgi' % env)
-
-def install_requirements():
- "Install the required packages from the requirements file using pip"
- print '>>> install requirements'
- require('path', provided_by=servers)
- require('release', provided_by=[deploy])
- require('pip', provided_by=[find_python])
- run('%(pip)s install -r %(path)s/releases/%(release)s/requirements.txt' % env, pty=True)
-
-def secret_key():
- """Generates a new SECRET_KEY."""
- from random import Random
- import string
-
- r = Random()
- return "".join(r.choice(string.printable) for i in range(64))
-
-def upload_default_localsettings():
- "Uploads localsettings.py with media paths and stuff"
- print ">>> upload default localsettings.py"
- require('path', provided_by=servers)
-
- env.secret_key = secret_key()
- files.upload_template('%(project_name)s/localsettings.py.template' % env, '%(path)s/localsettings.py' % env, context=env)
-
-def copy_localsettings():
- "Copy localsettings.py from root directory to release directory (if this file exists)"
- print ">>> copy localsettings"
- require('path', 'project_name', provided_by=servers)
- require('release', provided_by=[deploy])
-
- with settings(warn_only=True):
- run('cp %(path)s/localsettings.py %(path)s/releases/%(release)s/%(project_name)s' % env)
-
-def symlink_current_release():
- "Symlink our current release"
- print '>>> symlink current release'
- require('path', provided_by=servers)
- require('release', provided_by=[deploy])
- with cd(env.path):
- run('rm releases/previous; mv releases/current releases/previous')
- run('ln -s %(release)s releases/current' % env)
-
-def collectstatic():
- """Runs collectstatic management command from Django staticfiles."""
- print '>>> collectstatic'
- require('path', 'project_name', provided_by=servers)
- require('python', provided_by=[find_python])
- with cd('%(path)s/releases/current/%(project_name)s' % env):
- run('%(python)s manage.py collectstatic --noinput' % env, pty=True)
-
-def migrate():
- "Update the database"
- print '>>> migrate'
- require('path', 'project_name', provided_by=servers)
- require('python', provided_by=[find_python])
- with cd('%(path)s/releases/current/%(project_name)s' % env):
- run('%(python)s manage.py syncdb --noinput' % env, pty=True)
- if env.use_south:
- run('%(python)s manage.py migrate' % env, pty=True)
-
-def restart_webserver():
- "Restart the web server"
- print '>>> restart webserver'
- require('path', 'project_name', provided_by=servers)
- run('touch %(path)s/%(project_name)s.wsgi' % env)